#233AA0#233AA0

#233AA0 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.1% C 0.167 H 267.9°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#233AA0
RGB	rgb(35, 58, 160)
HSL	hsl(229, 64%, 38%)
HSV	hsv(229, 78%, 63%)
CMYK	cmyk(78.1%, 63.8%, 0%, 37.3%)
CIE-LAB	lab(29.21, 29.15, -57.66)
CIE-LCH	lch(29.21, 64.61, 296.82°)
OKLab	oklab(40.11% -0.0061 -0.1668)
OKLCH	oklch(40.11% 0.167 267.9)
XYZ	xyz(8.5492, 5.9205, 33.9431)
Luminance	0.0592 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#233AA0 #A08923

analogous

#2378A0 #233AA0 #4A23A0

triadic

#233AA0 #A0233A #3AA023

tetradic

#233AA0 #A02378 #A08923 #23A04A

square

#233AA0 #A02378 #A08923 #23A04A

split-complementary

#233AA0 #A04A23 #78A023

monochromatic

#0D163C #18286E #233AA0 #2F4DD1 #6178DC

Accessibility & contrast

On white

9.61

#233AA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#233AA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233AA0

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##233AA0	#FFFFFF	#000000	##FFFFFF
##233AA0	1.00	9.61	2.18	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA3

Deuteranopia (green-blind)

#003F9E

Tritanopia (blue-blind)

#005567

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #233aa0;
/* rgb */ color: rgb(35, 58, 160);
/* oklch */ color: oklch(40.1% 0.167 267.9);

Tailwind

colors: {
  custom: {
    50: '#7370bd',
    500: '#233aa0',
    950: '#000000',
  },
}

SCSS

$custom: #233aa0;
$custom-light: #7370bd;
$custom-dark: #000000;

JSON

{
  "hex": "#233aa0",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 160
  },
  "hsl": {
    "h": 228.96,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.40107,
    "c": 0.16687,
    "h": 267.9
  },
  "luminance": 0.05922
}

Semantic roles & 50–950 ramp

primary

#233AA0

secondary

#C1AF5D

accent

#C841E7

background

#F7F6FB

surface

#EEECF7

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #233AA0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →